/* BSD compatible remove directory function for System V
   Copyright (C) 1988, 1990 Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software Foundation,
   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */

#if HAVE_CONFIG_H
# include <config.h>
#endif

#if defined(OS_LINUX)
  #include <sys/types.h>
  #include <sys/stat.h>

  #include <errno.h>
  #ifndef errno
  extern int errno;
  #endif

  #if STAT_MACROS_BROKEN
  # undef S_ISDIR
  #endif

  #if !defined(S_ISDIR) && defined(S_IFDIR)
  # define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
  #endif
#elif defined(OS_WIN)
  #include <windows.h>
  #include <tchar.h>
  #include <shellapi.h>
#else
  NOT_IMPLEMENTED();
#endif

/* rmdir adapted from GNU tar.  */

/* Remove directory DPATH.
   Return 0 if successful, -1 if not.  */

int rmdir (char* dpath)
{
#if defined(OS_LINUX)
  pid_t cpid;
  int status;
  struct stat statbuf;

  if (stat (dpath, &statbuf) != 0)
    return -1;			/* errno already set */

  if (!S_ISDIR (statbuf.st_mode))
    {
      errno = ENOTDIR;
      return -1;
    }

  cpid = fork ();
  switch (cpid)
    {
    case -1:			/* cannot fork */
      return -1;		/* errno already set */

    case 0:			/* child process */
      execl ("/bin/rmdir", "rmdir", dpath, (char *) 0);
      _exit (1);

    default:			/* parent process */

      /* Wait for kid to finish.  */

      while (wait (&status) != cpid)
	/* Do nothing.  */ ;

      if (status)
	{

	  /* /bin/rmdir failed.  */

	  errno = EIO;
	  return -1;
	}
      return 0;
    }
#elif defined(OS_WIN)
  int len = strlen(dpath);
  char* pszFrom = new char[len+1];
  strcpy_s(pszFrom, len+1, dpath);
  pszFrom[len] = 0;

  SHFILEOPSTRUCTA fileop;
  fileop.hwnd   = NULL;       // no status display
  fileop.wFunc  = FO_DELETE;  // delete operation
  fileop.pFrom  = dpath;      // source file name as double null terminated string
  fileop.pTo    = NULL;       // no destination needed
  fileop.fFlags = FOF_NOCONFIRMATION|FOF_SILENT;  // do not prompt the user

  fileop.fAnyOperationsAborted = FALSE;
  fileop.lpszProgressTitle     = NULL;
  fileop.hNameMappings         = NULL;

  int ret = SHFileOperationA(&fileop);
  delete [] pszFrom;
  return (ret == 0);
#else
  NOT_IMPLEMENTED();
#endif
}
